101 lines
3.2 KiB
Python
101 lines
3.2 KiB
Python
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# Copyright 2016 Google Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Tests for sequence_generator."""
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# internal imports
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import tensorflow as tf
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from magenta.music import sequence_generator
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from magenta.protobuf import generator_pb2
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class TestSequenceGenerator(sequence_generator.BaseSequenceGenerator):
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def __init__(self, checkpoint=None, bundle=None):
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details = generator_pb2.GeneratorDetails(
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id='test_generator',
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description='Test Generator')
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super(TestSequenceGenerator, self).__init__(details, checkpoint, bundle)
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def _initialize_with_checkpoint(self, checkpoint_file):
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pass
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def _initialize_with_checkpoint_and_metagraph(self, checkpoint_file,
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metagraph_file):
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pass
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def _close(self):
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pass
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def _generate(self):
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pass
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def _write_checkpoint_with_metagraph(self, checkpoint_file):
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pass
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class SequenceGeneratorTest(tf.test.TestCase):
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def testSpecifyEitherCheckPointOrBundle(self):
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bundle = generator_pb2.GeneratorBundle(
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generator_details=generator_pb2.GeneratorDetails(
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id='test_generator'),
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checkpoint_file=['foo.ckpt'],
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metagraph_file='foo.ckpt.meta')
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with self.assertRaises(sequence_generator.SequenceGeneratorException):
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TestSequenceGenerator(checkpoint='foo.ckpt', bundle=bundle)
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with self.assertRaises(sequence_generator.SequenceGeneratorException):
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TestSequenceGenerator(checkpoint=None, bundle=None)
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TestSequenceGenerator(checkpoint='foo.ckpt')
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TestSequenceGenerator(bundle=bundle)
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def testUseMatchingGeneratorId(self):
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bundle = generator_pb2.GeneratorBundle(
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generator_details=generator_pb2.GeneratorDetails(
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id='test_generator'),
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checkpoint_file=['foo.ckpt'],
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metagraph_file='foo.ckpt.meta')
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TestSequenceGenerator(bundle=bundle)
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bundle.generator_details.id = 'blarg'
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with self.assertRaises(sequence_generator.SequenceGeneratorException):
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TestSequenceGenerator(bundle=bundle)
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def testGetBundleDetails(self):
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# Test with non-bundle generator.
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seq_gen = TestSequenceGenerator(checkpoint='foo.ckpt')
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self.assertEquals(None, seq_gen.bundle_details)
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# Test with bundle-based generator.
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bundle_details = generator_pb2.GeneratorBundle.BundleDetails(
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description='bundle of joy')
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bundle = generator_pb2.GeneratorBundle(
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generator_details=generator_pb2.GeneratorDetails(
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id='test_generator'),
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bundle_details=bundle_details,
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checkpoint_file=['foo.ckpt'],
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metagraph_file='foo.ckpt.meta')
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seq_gen = TestSequenceGenerator(bundle=bundle)
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self.assertEquals(bundle_details, seq_gen.bundle_details)
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if __name__ == '__main__':
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tf.test.main()
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